irrotational barotropic flows of inviscid compressible fluid

... because of the lack of understanding of fluid mechanics in general and compressible in particular For example, the lack of competitive advantage moves many of the die casting operations to off shore9 ... OpenOffice, Abiword, and Microsoft Word software, are not appropriate for these projects Further, any text that is produced by Microsoft and kept in “Microsoft” format are against the spirit of ... Stability of the supersonic Flows Past as a Wedge,” Quarterly of Applied Mathematics, Vol 6, 1949, pp 367–378 27 Henderson and Menikoff, ”Triple Shock Entropy Theorem,” Journal of Fluid Mechanics...

Ngày tải lên: 29/03/2014, 00:20

... the study of fluid dynamics It nicely and synergistically complements the other two approaches of pure theory and pure experiment in the study and development of the whole discipline of fluid dynamics ... is often offset by the difficulties associated with the generation of highly stretched tetrahedral meshes Stretched meshes are necessary for the efficient computation of certain inviscid flows, ... vector α Angle of attack γ Ratio of specific heats ρ Density Ω Volume (area in dimensions) ii Table of Contents Acknowledgements i Nomenclature ii Table of Contents iii Summary v List of Figures...

Ngày tải lên: 03/10/2015, 21:56

... coupled dynamics of a compressible fluid and a deformable incompressible solid The Euler equation governs the compressible fluid while the stress-velocity formulation of the Cauchy’s laws of motion ... defining a fluid (ghost fluid) that has the pressure and velocity of the real fluid at each point, but the entropy of some other fluid ix Since the ghost fluids have the same entropy as the real fluid ... mass, momentum and energy of the real fluid that exists at that point (the real fluid) and ghost mass, momentum and energy of the other fluid (the fluid at the other side of the interface) that...

Ngày tải lên: 27/11/2015, 11:12

... because of the lack of understanding of fluid mechanics in general and compressible in particular For example, the lack of competitive advantage moves many of the die casting operations to off shore9 ... OpenOffice, Abiword, and Microsoft Word software, are not appropriate for these projects Further, any text that is produced by Microsoft and kept in “Microsoft” format are against the spirit of ... a function of specific heat, k The effects of increase of 4fDL on the Fanno line The development properties in of converging nozzle Min and m ˙ as a function of the 4fDL...

Ngày tải lên: 10/03/2016, 11:39

... of the Rice -fluid We successfully developed the compound of Ricefluid derived from Japanese raw rice Manufacturing of the Rice -fluid was conducted in five phases Phase involved the addition of ... of three kinds of Rice -fluid derived from the two kinds of raw rice; i e., polished (pH6.32) and unpolished (pH5.98), and the usually cocked rice (pH5.91), and remaining one compound of the fluid ... suspension of 16 H pylori strains (100μl, approximately 108CFU/ml) was inoculated into 1ml of a Rice -fluid, a ten-folddilution Rice -fluid and a pH-adjusted (to the pH of respective Rice -fluid) physiological...

Ngày tải lên: 31/10/2012, 17:03

Ngày tải lên: 17/10/2013, 11:15

Ngày tải lên: 16/03/2014, 16:20

... of equation of state dimensionless attractive term parameter of equation of state repulsive term(co-volume) parameter of equation of state dimensionless repulsive term parameter of equation of ... reservoir fluid samples is the determination of the fluid composition The most common method of compositional analysis of high pressure fluids is to flash a relatively large volume of the fluid sample ... reservoir fluids The temperature of a reservoir is determined by its depth The phase behaviour of a reservoir fluid is determined by its composition Typical compositions of various classes of reservoir...

Ngày tải lên: 02/04/2014, 16:07

... http://www.boundaryvalueproblems.com/content/2011/1/31 Page of 14 Geophysics: the fluid of the core of the Earth and other theorized to be a huge MHD dynamo that generates the Earth’s magnetic field because of the motion of the liquid iron ... astrophysics since 99% of baryonic matter content of the universe is made of plasma, including stars, the interplanetary medium, nebulae and jets, stability of spiral arm of galaxy, etc Many astrophysical ... the axis of the fluid cylinder The fluid of the cylinder streams with a periodic velocity u0 = ( 0, 0, U cos ωt ) (3) where ω is constant and U is the speed at time t = The components of electric...

Ngày tải lên: 20/06/2014, 22:20

... dxds x which, by virtue of Gronwall’s inequality, (2.1) and (2.14), gives (2.19) Proof of Theorem 2.1 By Lemmas 2.1-2.3, we complete the proof of Theorem 2.1 Global existence of solutions in H2 For ... 0 ≤ C2 (T) The proof is complete Proof of Theorem 3.1 By Lemmas 3.2-3.3, Theorem 2.1 and Sobolev’s embedding theorem, we complete the proof of Theorem 3.1 Global existence of solutions in H4 ... http://www.boundaryvalueproblems.com/content/2011/1/43 Page 19 of 19 References Hoff, D, Serre, D: The failure of continuous dependence on initial data for the Navier- Stokes equations of compressible flow SIMA J Appl Math...

Ngày tải lên: 20/06/2014, 22:20

... strength and quality changes of Vietnamese rice varieties The specific objectives of this study are: To study the feasibility of high temperature fluidized bed drying of high moisture content Vietnamese ... amount of moisture that can be removed during fluidized bed drying depends on the initial moisture content of paddy Note that, the initial moisture content of A10 (31-33% wb) was higher than that of ... The high temperature fluidized bed drying of high moisture paddy can be feasible But many factors should be considered such as variability of moisture of the paddy, effect of impurities, investment...

Ngày tải lên: 21/06/2014, 06:20

... contraction At the time of publication of this report, Director of WES was Dr Robert W Whalin Commander was COL Bruce K Howard, EN ntroduction Background Shocks in fluids result from fluid flow that ... limited to supersonic aircraft; many parts of subsonic craft are supersonic For example, the rotors of helicopters have supersonic regions as the blades of the turbine engines used on many crafts ... it is important to determine the ultimate height of water resulting from a dam break or the insertion of a bridge in a fast-flowing river The compressible Euler equations describe these flow...

Ngày tải lên: 21/06/2014, 22:20

... matrix P such that where A is the matrix of eigenvalues of A, and P and P-' are composed of the eigenvectors Chapter Numerical Approach If we define a new set of variables (the Riemann Invariants) ... of Katopodes (1986), we choose and are the local coordinates defined from -1 to A To find A consider the following: P where A = IA is the matrix of eigenvalues of A and P and P- are made up of ... returned to the original system in terms of the variable Q as The size and direction of the added odd function is then based upon the magnitude and direction of the characteristics This particular...

Ngày tải lên: 21/06/2014, 22:20

... is most notable upstream of the jump for larger values of C, But as C, decreases, there is an undershoot in front of the shock The slope of the x-t line along the top of the shock has a significant ... Testing Figure Time-history of center-line water surface elevation profiles; = 1.0, Ax = 0.4 m, At = 1.6 sec Figure Time-history of center-line water surface elevation profiles; at = 1.O,Ax = 0.8 ... Figure 10 Time-history of center-line water surface elevation profiles; at = 1.O, Ax = 0.8 m, At = 1.6 sec Figure 11 Time-history of center-line water surface elevation profiles; o+ = 1.O, A =...

Ngày tải lên: 21/06/2014, 22:20

... Figure 18 Time-history of center-line water surface elevation profiles; = 1.5, Ax = 0.8 m, At = 1.6 sec Figure 19 Time-history of center-line water surface elevation profiles; = 1.5, Ax = 0.8 ... squares and the outside by diamonds Of particular importance is the arrival time of the shock front At station the numerical prediction of arrival time using of 1.0 is about 3.4 sec which appears ... shown in Figures 24-26 Here the time-history of the water elevation is shown for the inside and outside of the channel for both the numerical model (at of 1.0 and 1.5) and the flume The inside wall...

Ngày tải lên: 21/06/2014, 22:20

... behavior of the 1-D linearized shallow-water equation analytically and numerically This could lead to a conceptual appreciation of the behavior we have observed in the testing section of the report ... Chapter Testing = A, A, is the diagonal matrix of eigenvalues and Po and P-: are composed of the eigenvectors (and are arbitrary) With the substitution of Equation 55 into 54 and multiplication by ... shall now compare the behavior of the model to that of the analytic solution The test function for Equation 54 in HIVEL2D would be Now, since T is a linear combination of the variables h* and P ,...

Ngày tải lên: 21/06/2014, 22:20

... "The A-scheme," Computers in Fluids 7(3), 191-205 Platzman, G W (1978) "Normal modes of the world ocean; Part 1, Design of a finite element barotropic model," Journal of Physical Oceanography 8, ... solution of nonlinear hyperbolic differential equations," Communication on Pure and Applied Mathematics 5, 243-255 Dendy, J E (1974) "Two methods of Galerkin-type achieving optimum L~ rates of convergence ... hyperbolics," SlAM Journal of Numerical Analysis 11, 637-653 Froehlich, D C (1985) Discussion of "A dissipative Galerkin scheme for open-channel flow," by N D Katopodes, Jountal of Hydraulic Engineering,...

Ngày tải lên: 21/06/2014, 22:20

... viscosity of flowing fluid   p = Pressure   = Specific weight of flowing fluid v = Average fluid velocity g = Acceleration due to gravity in a consistent set of units d  p = Incremental length of ... the Reynolds number of porous medium A p Reynolds number of isotropic porous medium Cross-sectional area of porous medium W = Weight flow rate of fluid  = Specific weight of fluid at P b and T ... Absolute viscosity of flowing fluid   Mass density of flowing fluid z g = Acceleration due to gravity Elevation of the porous medium above a datum The + sign is used where the point of interest is...

Ngày tải lên: 27/07/2014, 23:44

... flow f of U will then be a nowherezero flow or coloring of a graph, or a nowhere-zero point of a matrix If, e.g., we take the Zk -bond space B k (G) of a directed graph G , then a flow f of B k ... yields Theorem 7.4, a collection of equivalents to the existence of flows of subspaces Finally, Section briefly discusses the Wedderburn Decomposition of the set of all light patterns as a group ... group algebra ZX I ⊆ QX I of X I over Z , i.e., the set of all formal the electronic journal of combinatorics 18 (2011), #P65 I 17 ZX I linear combinations of elements of X I , with coefficients...

Ngày tải lên: 08/08/2014, 14:22

... Inoculation of Helicobacter pylori w: weeks The rice -fluid (RF) was given ad libitum from weeks of age to the end of the experiment All gerbils were sacrificed 14 weeks after inoculation of HP (21 ... inoculation with H pylori with treatment of rice -fluid, (B) inoculation with H pylori without treatment of rice -fluid Many H pylori bacteria were detected on the surface of the mucosa in group B (JRF treatment(-)), ... Int J Med Sci 2007, 205 were acid extracts of organisms derived from the H pylori ATCC 43504 strain Aliquots of 100 µl of reference serum or 1:200 of diluted serum were added to the wells, and...

Ngày tải lên: 08/08/2014, 16:23